[PATCH] sched: drop unused variable cpumask in mm_cid_get()

From: André Draszik
Date: Thu Oct 02 2025 - 07:23:22 EST


When compiling with W=1, we get the following warning:

In file included from kernel/sched/rq-offsets.c:5:
kernel/sched/sched.h:3743:18: error: variable 'cpumask' set but not used [-Werror,-Wunused-but-set-variable]
3743 | struct cpumask *cpumask;
| ^
1 error generated.

Simply drop the variable.

Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>
---
kernel/sched/sched.h | 2 --
1 file changed, 2 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 1f5d07067f60a3195c11b0bfe203e027ebc3e3c5..361f9101cef97cde2b4cae963c3eed6e745283c8 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -3740,11 +3740,9 @@ static inline int mm_cid_get(struct rq *rq, struct task_struct *t,
struct mm_struct *mm)
{
struct mm_cid __percpu *pcpu_cid = mm->pcpu_cid;
- struct cpumask *cpumask;
int cid;

lockdep_assert_rq_held(rq);
- cpumask = mm_cidmask(mm);
cid = __this_cpu_read(pcpu_cid->cid);
if (mm_cid_is_valid(cid)) {
mm_cid_snapshot_time(rq, mm);

---
base-commit: 3b9b1f8df454caa453c7fb07689064edb2eda90a
change-id: 20251002-sched-w1-c45c284e1775

Best regards,
--
André Draszik <andre.draszik@xxxxxxxxxx>